Stove



Nov. 11-, 1924. 515,297

R. C. COOK STOVE Filed Oct. 8, 1923 Patented N 0v. 11, 1924.

STATES Islam ROSS G. COOK, 0F MANSFIELD, OHIO, ASSIG-NOR TO THE TAPPAN STOVE COMPANY, OF MANSFIELD, OHIO, A CORPORATION OF OHIO.

STOVE.

Application filed October 8, 1923-.

T 0 all whom it may concern.

Be it known that 1, Ross O. 0001;, a citizen of the United States, residing at Mansfield, in the county of Richland and State of Ohio, have invented certain new and useful Improvements in Stoves, of which the following is a specification.

My invention relates to improvements in stoves, and more particularly to oven structures for gas ranges.

The primary object of the invention is the provision of a generally improved oven structure for such ranges embodying, among other features, a more perfect combustion at the oven gas burner through an improved form and arrangement of secondary air supply, together with an improved form and arrangement of oven flues adapted to provide for a more perfect and uniform distribution of t-heheat units or productsof combustion, thereby lessening the time required for heat: ing the oven to the required temperature and reducing the relative consumption of fuel during a given period of time.

With the above mentioned and other ends in view, the invention consists in thenovel construction, arrangement and combination of parts, hereinafter described, illustrated in one of its embodiments in the accompanying drawings, and particularly pointed out in the appended claims.

Referring to the drawings, forming a part of this specification, Figure 1 is a perspective view of the oven portion of a gas range constructed in accordance with this invention, certain portions of the side or lateral walls being broken away for the purpose of a clearer illustration of the relative form and arrangement of the oven fines and the secondary air inlets leading to the oven gas burner.

Fig. 2, a fragmentary cross sectional view of rear walls of the broiler oven and illustrating in particular the arrangement of the secondary air inlet ports at the rear.

Similar numerals of reference designate like parts throughout all the figures of the drawings.

For the purpose of illustration I have shown my improved oven structure in connection with a gas range of common or conventional form as to its general features of construction.

The lateral or side and rear walls 1. and

Serial No. 667,117.

2, respectively, and the top 3, in this form of range may take the usual form.

The baker and broiler ovens 4. and 5, respectively, are provided with lateral or side and rear lining walls 1 and 2, respectively, together with the usual oven top lining wall, these lining walls being spaced from the oven walls to form'an air insulating space therebetween.

As aconvenient means of affording oppositely disposed oven fines 1 affording communication between the baker and broiler ovens and leading the products of combustion from the oven. gas burner 6, suitably supported beneath. the oven bottom 7, supplemental side or flue forming walls 8, are

provided, said flue forming walls 8 being suitably supported and, in the present instance, being provided with in-turned flanges 8*, adapted to removably receive and support the marginal edges of the intermediate or horizontal division plate 7 which divides the oven as a whole into baker and broiler ovens or compartments, said oven bottom or plate 7 being preferably of cast iron for more uniformly receiving and radiating the heat from the gas burner 6 below. In the present instance, the flue forming side walls 8 are provided with longitudinally extending corrugations 8 for affording guide or glider members for receiving and supporting the marginal edges of any racks or shelves which it may be desired to use. In the present instance also, the broiler oven 5 is provided with supplemental walls 9, connected to the side lining walls 1 by means of a marginal flange 9 ,preferably by means of a line of spot welding so as to effectively prevent any inlet of air into the'broiler oven and as distinguished from similarly located .flues in previous constructions which it has been found from experience and practical tests,

have a tendency to reduce the temperature of the air in such flues and in the broiler oven As a means of providing an improved form and arrangement of secondary air sup ply or inlets at points removed from the oven flues 1 and to better support combustion at the oven gas burner (i, secondary air supply or inlet openings 5 and 5 leading from the front and rear walls of the broiler oven are provided. it will be seen that the secondary air inlet ports 5 and 5 are arranged in rows at the front and rear and that the same extend below the horizontal plane of the front and rear bars of the gas burner 6 and the side lines 1 In the present instance, the front row of inlet ports 5 is located in the broiler door 5, and the rear row of secondary inlet ports 5 is located in the rear lining wall. 2, communicating with a second row of correspondingly spaced inlet openings or ports 5 in the rear oven wall 2, the second row 5 being located below the horizontal plane of the row 5, as shown most cleariy in Fig". 2 of the drawings.

By reason of the above construction it will be seen that the usual cold air fines or passages for leading secondary air into the broiler oven and located at the sides of the broiler oven and in proximity to the oven fines leading from the gas burner to the baker oven, as heretofore commonly employed in this type of oven, have been eliminated so that only heated air can enter through the oven flues 1 communicating with the baker oven and leading directly from the gas burner 65. c

Having thus described one of the embodiments of my invention, without having attempted to set forth all the forms in which it may be made, or all the modes of its use, what I claim and desire to secure bylletters Patent is,

1. In an oven structure, including baker and broiler ovens and spaced lining walls, supplemental side liner walls, some of said supplemental side liner walls forming lateral lines at the opposite sides of said baker oven and extending into connnunication with said broiler oven, and the other side lining walls being iinperforate throughout and closed at their tops by direct attachment to the lining walls at the sides of said broiler oven neventing the entrance and circulation of secondary air into and along the sides of said broiler oven, a heating unit between said lateral lines below said baker oven, and secondary air supplies leading from the front and rear to the front and rear sides of said heating unit.

2. In a stove structure, including baker and broiler ovens, spaced stove and side liner walls at the sides of said ovens, supplemental side walls at the sides of said baker oven spaced from said liner side walls forming side fines between said broiler and baker ovens, sup lemental side walls at the side of said roiler oven imperforate throughout and closed at their tops by direct attachment to saidliner walls thereby preventing the entrance and circulation of air into said broiler oven and along such sides, and secondary air inlets leading from the front and rear walls of said broiler oven intermediate said side fines and constituting the sole sources of secondary air supply. l

3. In an oven structure, including baker and broiler ovens surrounded by spaced side liner walls including supplemental imperforate side liner walls at the sides of said broiler oven closed at their tops by direct attachment to said liner walls thereby pre venting the entrance of air and the cooling of the broiler at the sides of the oven, lateral fines at the opposite sides of said ovens affording communication between the latter, a source of heat between said flue forming walls and below said baker oven, and secondary air inlet openings at the front and rear of said broiler oven leading to said source of heat and constituting the sole source of secondary air thereto.

l. In a stove, including baker and broiler ovens having air insulated oven lining back andside walls closed at their bottoms to prevent the entrance and circulation of fresh air therein, baker oven bot-tom supporting glider sections spaced from said side walls forming flues leading from the top of the broiler oven to the side portions of said baker oven, a gas burner in said broiler oven immediately below said baker oven bottom, and secondary air inlet ports at the front and rear of said broiler oven forming the sole secondary air supply to support combustion at said gas burner.

5. In a gas range, including baker and broiler ovens, spaced liner walls surround ing said ovens and closed at their bottoms to prevent the entrance and circulation of fresh air therein, flue forming side it lls at the opposite sides of said baker and bred er ovens affording communication between the latter, a horizontal plate between said fines forming the bottom of said he :er oven, a gas burner below said plate adapted to direct the products of combustion laterally to said lines, and secondary air inlets in the front and rear walls of said broiler oven between said side flues and below the planes of the baker and said oven gas burner forming the sole source of secondary air supply.

In testimony whereof I have aitlixed my signature.

ROSS C. COOK.

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